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authorPavel Begunkov <asml.silence@gmail.com>2023-04-13 17:28:07 +0300
committerJens Axboe <axboe@kernel.dk>2023-04-15 23:44:57 +0300
commiteef81fcaa61e1bc6b7735be65f41bbf1a8efd133 (patch)
tree131fdd88b8c001b590dc799ebee9d99819ab69ff /io_uring
parentc732ea242d565c8281c4b017929fc62a246d81b9 (diff)
downloadlinux-eef81fcaa61e1bc6b7735be65f41bbf1a8efd133.tar.xz
io_uring/rsrc: refactor io_rsrc_ref_quiesce
Refactor io_rsrc_ref_quiesce() by moving the first mutex_unlock(), so we don't have to have a second mutex_unlock() further in the loop. It prepares us to the next patch. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/65bc876271fb16bf550a53a4c76c91aacd94e52e.1681395792.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
-rw-r--r--io_uring/rsrc.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c
index 5fc9d10743e0..d7e7528f7159 100644
--- a/io_uring/rsrc.c
+++ b/io_uring/rsrc.c
@@ -272,8 +272,8 @@ __cold static int io_rsrc_ref_quiesce(struct io_rsrc_data *data,
return 0;
data->quiesce = true;
- mutex_unlock(&ctx->uring_lock);
do {
+ mutex_unlock(&ctx->uring_lock);
ret = io_run_task_work_sig(ctx);
if (ret < 0) {
mutex_lock(&ctx->uring_lock);
@@ -285,18 +285,10 @@ __cold static int io_rsrc_ref_quiesce(struct io_rsrc_data *data,
}
break;
}
- ret = wait_for_completion_interruptible(&data->done);
- if (!ret) {
- mutex_lock(&ctx->uring_lock);
- if (!data->refs)
- break;
- /*
- * it has been revived by another thread while
- * we were unlocked
- */
- mutex_unlock(&ctx->uring_lock);
- }
- } while (1);
+ wait_for_completion_interruptible(&data->done);
+ mutex_lock(&ctx->uring_lock);
+ ret = 0;
+ } while (data->refs);
data->quiesce = false;
return ret;